Chains and heterogens:
PDB Chain Sequences:
>1ainA (A:) gsavspyptfnpssdvaalhkaimvkgvdeatiidiltkrnnaqrqqikaaylqetgkpl detlkkaltghleevvlallktpaqfdadelraamkglgtdedtlieilasrtnkeirdi nrvyreelkrdlakditsdtsgdfrnallslakgdrsedfgvnedladsdaralyeager rkgtdvnvfntilttrsypqlrrvfqkytkyskhdmnkvldlelkgdiekcltaivkcat skpaffaeklhqamkgvgtrhkalirimvsrseidmndikafyqkmygislcqaildetk gdyekilvalcggn